The drain in the toilet in my rented room often smells, and I would like to ask if these smells smel

Friend, the smell in the toilet is not smelled in the room. If you can smell it, it means that the smell is already very strong, it is recommended to flush the toilet frequently, or the structure of the toilet itself may be a problem, smelling it for a long time must be bad for the body, these smells are harmful, and breathing fresh air is the best. You can put more deodorant or air freshener in the toilet, and of course, it is better to change houses.

Needless to say, it must be harmful, I don't know if you live on the first floor or on what floor?

If you can't get rid of the smell, it is recommended to change places as soon as possible, because if you live in such a place for a long time, your luck and health will deteriorate.

Yes. It is highly recommended to solve the problem of aftertaste in the sewer.

Yes, the drain pipe can be avoided with a bend.

Biogas, the concentration of a certain standard will kill people, you can imagine the harm you smell every day.

Yes, so deal with it promptly.

It can cause respiratory difficulties.

Yes, methane, monoxide, and so on, and so on, there are more harmful gases.

The teacher said that if you smell stinky, you should flush more water.

You'll want to put a bend in the spout so that there is no smell.